On 7/8/2013 3:27 PM, Virgil wrote:> In article <a2e701bf-1259-4c43-b5d3-5b4b8066d923@googlegroups.com>,> mueckenh@rz.fh-augsburg.de wrote:>>> On Sunday, 7 July 2013 23:17:33 UTC+2, Virgil wrote:>>> In mathematics, every truth is ultimately of the form "If...,then...".>>> I.e., its consequences depend on its assumptions.>>>> If a marble is removed only when another one has been inserted, then never>> all marbles can have been removed, may their number be finite or infinite.>> As I recall the problem, it requires an initially empty vase, and that> each ball inserted into that vase before noon is also removed before> noon.> Unless there is some error in that description of the problem, I feel> safe in concluding that at noon, no numbers remain in the vase.>> If WM disagrees, perhaps he would care to name some of the balls he> supposes will remain in the vase at noon.>